The shoulder is a complex articulation that joins three bones.
Among musculoskeletal problems and symptoms, one of the most fearful diseases is rheumatoid arthritis. There’s a whole field of medicine that studies rheumatic diseases, which include rheumatoid arthritis because they are complex and sometimes very difficult to treat.
Rheumatoid arthritis is a degenerative disease in the joints. It features progressive deterioration and destruction of the articulation, and associated mobility problems and pain. Fortunately, there are many causes of joint pain, and rheumatoid arthritis is not the most common. However, it is very important to know about the warning signs and symptoms to be able to detect this problem as early as possible.
Early detection and early start of treatment are associated with a better quality of life and slow progression of the disease. But before diving into the signs and symptoms, let us discuss what causes rheumatoid arthritis.
Causes of rheumatoid arthritis
The exact cause of rheumatoid arthritis is unknown, mainly because there are too many factors playing an important role at the same time. There is a genetic predisposition, but also hormonal, immunologic, and even infectious factors contributing to the development of this degenerative disease. Other lifestyle factors may also affect, as we will list further:
Rheumatoid arthritis is not a genetic disease, but genes play an important role, and account for around 50% of the risk. Certain genes that encode proteins for leukocytes confers a particular risk, according to European studies, and juvenile idiopathic arthritis that affects young people and it is markedly influenced by genetics.
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